ENDMILL
    4.
    发明公开
    ENDMILL 审中-公开

    公开(公告)号:EP2554309A4

    公开(公告)日:2018-03-28

    申请号:EP11762688

    申请日:2011-03-25

    发明人: AZEGAMI TAKAYUKI

    IPC分类号: B23C5/10

    摘要: Provided is an end mill wherein: the generation of burrs can be controlled according to the various machining conditions and/or to the board thicknesses of the various work pieces to be machined; and smooth machining work can be carried out, with good chip removal performance, and with a finished surface of excellent quality. In this end mill, an end mill body 1 rotatable on an axis O has a cutting edge section 3 which provides first peripheral cutting edges 4A which are handed and helically shaped around the axis O, and second peripheral cutting edges 4B with a linear shape extending straight in parallel to the axis O. Further, the first peripheral cutting edges 4A are right-handed helical and right hand teeth formed as a helical shape handed in the end mill rotational direction T from the rear side to the top side.

    BALL END MILL
    5.
    发明公开

    公开(公告)号:EP2832483A4

    公开(公告)日:2015-12-09

    申请号:EP13768812

    申请日:2013-03-13

    IPC分类号: B23C5/10

    摘要: Provided is a ball end mill that does not interfere with the defect resistance of a cutting edge of which a rotational track forms a convex hemispherical shape. In the ball end mill, a gash 4 is formed at a front end portion of a main end mill body 1 rotated about an axis O and a cutting edge 5 of which a rotational track around the axis 0 forms a convex hemispherical shape having a center C on the axis O is formed at a peripheral edge portion of a wall surface 4A of the gash 4 facing an end mill rotation direction T. A difference between an included angle, which is formed between a straight line connecting a position which is present on the cutting edge 5 and at which a depth of the gash 4 is maximal in a cross-section orthogonal to the cutting edge 5 with the center C and the axis O, and an included angle, which is formed between a straight line connecting a position which is present on the cutting edge 5 and at which a rake angle of the cutting edge 5 is maximal on a positive angle side in the cross-section orthogonal to the cutting edge 5 with the center C and the axis O, is within ±7°.

    EXCHANGEABLE CUTTING HEAD
    7.
    发明公开
    EXCHANGEABLE CUTTING HEAD 有权
    AUSTAUSCHBARER SCHNEIDEKOPF

    公开(公告)号:EP2974816A4

    公开(公告)日:2017-01-04

    申请号:EP14762271

    申请日:2014-03-03

    摘要: Provided is a replaceable machining head wherein: fractures on the tool attaching portion do not occur; the production cost is minimized; the tool life of the working tool will be lengthened; and the head body is free from a risk of falling off during replacement. In the replaceable machining head 1, a cutting edge section 3 is formed on the front side of a head body; a tool attaching portion 4 to which a working tool is to be attached, is formed on the rear end side of the cutting edge section 3; tool attaching faces 4A are formed in the tool attaching potion 4; the surface of the head body 1 is coated with a coating film; and the number of droplets or macro particles having convex shapes with a size of 0.3µm to 5.0µm, is 200 or less, per area of 40µm×60µm on the surface of the coating film over the tool attaching faces 4A.

    摘要翻译: 提供一种可替换的加工头,其中:不发生在工具附接部分上的断裂; 生产成本最小化; 加工工具的刀具寿命延长; 并且头体在更换期间没有脱落的风险。 在可更换加工头1中,在头体的前侧形成切削刃部3, 在切削刃部3的后端侧形成有要安装有加工工具的刀具安装部4; 工具安装面4A形成在工具安装部4中; 头体1的表面涂覆有涂膜; 并且在工具安装面4A上的涂膜表面上的面积为40μm×60μm的尺寸为0.3μm〜5.0μm的具有凸形状的液滴或微粒子的数量为200个以下。

    END MILL WITH COOLANT HOLES
    8.
    发明公开
    END MILL WITH COOLANT HOLES 有权
    带散热孔手指MILLS

    公开(公告)号:EP2913133A4

    公开(公告)日:2016-07-13

    申请号:EP13850824

    申请日:2013-10-21

    IPC分类号: B23C5/28 B23C5/10

    摘要: The wear of a flank face of a long bottom blade of the tip of an end mill body is effectively minimized, and chips produced by the long bottom blade are smoothly discharged. Bottom blades (9) are formed at ridgelines where gashes (7) and tip flank faces (8) intersect, the gashes (7) being formed at the tips of a plurality of chip discharge grooves (4) that are formed in an end mill body (1). At least one of the bottom blades (9) serves as a long bottom blade (9A) that extends toward an inner peripheral side longer than the remaining bottom blades (9B, 9C). Coolant holes (10) are formed between the chip discharge grooves (4) within the end mill body (1). A coolant hole (10A) that is located between a chip discharge groove (4A) of a gash (7A) along which the long bottom blade (9A) is formed and a chip discharge groove (4C) that is located behind the chip discharge groove (4A) in a rotational direction (T) of the end mill is open to the tip clearance face (8A) of the long bottom blade (9A). A coolant hole (10B) which is located between the chip discharge groove (4A) of the gash (7A), along which the long bottom blade (9A) is formed, and a chip discharge groove (4B) that is located in front of the chip discharge groove (4A) in the rotational direction (T) of the end mill is open to the gash (7A) of the long bottom blade (9A).

    REPLACEABLE HEAD CUTTING TOOL
    10.
    发明公开
    REPLACEABLE HEAD CUTTING TOOL 有权
    带可互换头的切削工具

    公开(公告)号:EP2832482A4

    公开(公告)日:2015-11-04

    申请号:EP13767791

    申请日:2013-03-13

    IPC分类号: B23C5/10 B21K25/00

    摘要: A replaceable head cutting tool increases the strength of engagement between a tool body and a coupling member without causing damage to the tool body or the punch. A cylindrical mounting unit 21 of the coupling member 2, which is made of a metal material having hardness lower than the hardness of the tool body 1, is inserted into a mounting hole 16 that includes a concave portion 17 formed on the inner surface of the tool body 1 made of a hard material. The mounting unit 21 is plastically deformed so as to increase in diameter, and the outer peripheral surface of the mounting unit 21 comes into close contact with the inner peripheral surface of the mounting hole 16 and is engaged with the concave portion 17, so that the tool body 1 and the coupling member 2 are joined to each other. The concave portion 17 includes a first wall surface 17a that is inclined toward the outer peripheral side as the first wall surface moves in an insertion direction F of the mounting unit 21, and a second wall surface 17b that is opposite of the first wall surface 17a and is inclined toward the inner peripheral side as the second wall surface moves in the insertion direction F. A first inclination angle ±, which is formed between the first wall surface 17a and a plane S perpendicular to a center line of the mounting hole 16 at a position where the first wall surface 17a intersects with the inner peripheral surface of the mounting hole 16, is smaller than a second inclination angle ², which is formed between the second wall surface 17b and the plane S at a position where the second wall surface 17b intersects with the inner peripheral surface of the mounting hole 16.

    摘要翻译: 可替换的头部切割工具增加了工具主体和联接构件之间的接合强度,而不会对工具主体或冲头造成损坏。 由具有低于工具主体1的硬度的金属材料制成的联接构件2的圆柱形安装单元21被插入到安装孔16中,安装孔16包括形成在工具主体1的内表面上的凹部17 工具体1由硬质材料制成。 安装单元21塑性变形直径增大,安装单元21的外周面与安装孔16的内周面紧密接触,与凹部17卡合, 工具主体1和联接构件2彼此接合。 凹部17包括第一壁面17a,该第一壁面17a随着第一壁面沿着安装单元21的插入方向F移动而向外周侧倾斜,第二壁面17b与第一壁面17a相对 并且随着第二壁面沿插入方向F移动而朝向内周侧倾斜。在第一壁面17a和垂直于安装孔16的中心线的平面S之间形成的第一倾斜角度± 第一壁面17a与安装孔16的内周面相交的位置小于在第二壁面17b与平面S之间形成的第二倾斜角度2, 17b与安装孔16的内周面相交。